About Us



Welcome to Marshall Security & Private Investigations

Locally owned and locally operated, at MSI we are dedicated to providing stellar service to Indiana; the place that you and our own families call home. Our trained staff include current and former Law Enforcement Officers and Military Veterans whose focus is on expert protection and unsurpassed customer service. Our clients testify to the unparalleled service that we provide for them nationwide.

These cost-effective and customizable services include:

  • Commercial / Residential Security
  • Body Guard Services
  • Executive Protection
  • Uniformed or Plain Clothes Officers
  • Armed or Unarmed Officers
  • Alarm First Contact
  • Private Property Towing
  • Vacation Home Inspection


Jeff Nesbittowner

Faithfully committing his life to serving the public, Jeff Nesbitt is a resident of Bloomington and an experienced former Law Enforcement Officer & Military Veteran. Well-seasoned in local, state, and federal law enforcement agencies, he has been instrumental in special operations, counter narcotics, drug enforcement, and port security. His background boasts an extensive knowledge of Counter Terrorism, as well as Security and Force protection.

Before becoming the licensed owner of Marshall Security & Private Investigations, Mr. Nesbitt has also served as a Private Investigator (Athens Agency), Certified Police Officer State of Colorado (P.O.S.T. Certified), U.S. Department of Homeland Security– US Coast Guard Port Security, and as a Criminal Investigator (State of Indiana -Special Deputy and 10 Circuit Court). With nearly 20 years of staunch service in the Law Enforcement and Security field, Mr. Nesbitt and his staff are ever vigilant to keep your businesses, homes, and families safe.  Indiana IPLA License # PI21700005 & SG2160019